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MAINTENANCE I
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Gaskets
Gaskets are used at strategic positions when building
the Harman
Oakwood for controlling the path that incom-
ing and outgoing air.and gases take through the stove.
You
must check these gaskets from time to time, and replace
them when necessary. The gaskets are made
of
fiber-
glass
of
different sizes (obtainable from Harman Stove
Company) and some are fixed
in
place with a high tem-
perature stove gasket cement. To change a gasket, first
remove the worn fiberglass and clean the area with a wire
brush. Also clean any other surfaces that come into con-
tact with the gasket. Place a small bead
of
cement
in
the
area under the gasket
if
required, then press new gasket
material into the channel; do not overlap the ends. Seat
the gasket firmly by applying pressure when possible; for
example, after changing the door gasket, close the door.
Allow the cement to
dry before using your stove.
Gasket are located:
• On the doors to provide airtight closure.
• Between the damper and the damper frame.
• On sides between top and bottom plates.
• Inner front to air wash.
• Rear cover
• Rear housing
Damper Ramp Adjustment
After the stove has been in operation for awhile,
the damper gasket may compress and allow the damper
handle to move from the open to the closed position with-
out the added ramp tension needed to keep the damper
held
in
the closed position.
To
adjust the ramp, the stove MUST be allowed to
go out and cool down.
• After the stove has cooled off, remove the stove pipe
from the stove collar and close the damper.
• Using a flashlight, look into the collar. About midpoint
of
the damper plate on the backside you will see the adjust-
ment bolt for the ramp tension.
• You will need (2) 7/16
\I
wrenches. Use one to hold the
bolt still while using the other to loosen the nut.
• Turn the bolt inward (clockwise facing the head) ap-
proximately 1/4 turn and retighten the locknut.
• Now open and close the damper to check for proper
tension on the damper lever while moving into the closed
direction.
•
If
the tension is incorrect, readjust the bolt.
26 Harman Oakwood
The Chimney System
Creosote
When wood is burned slowly,
it
produces tar
and other organic vapors, as well as soot, which combine
with expelled moisture to form creosote. The creosote
vapors condense
in
the relatively cool chimney flue (as-
sociated with a slow burning fire). As a result, creosote
accumulates on the flue lining. When ignited, this creo-
sote can result in an extremely hot fire.
The FireDome on· the
Oakwood cuts creosote to
almost nothing when properly burned with
dry seasoned
wood.
The chimney should be inspected at least once
every two months during the heating season to see
if
any
creosote build-up has occurred. Checking your
chimney
and chimney connector more frequently, especially while
you are getting used to your stove, is recommended. To
inspect this system, let the stove cool.
Using a flashlight
and mirror, check the interior
of
the chimney connector,
and the chimney itself.
If
a significant layer
of
creosote
or soot as accumulated
(1/8"" or 3 mm) it should
be
re-
moved
toreduce
the risk
of
a chimney fire.
To clean deposits from the surface
of
the con-
nector, use a stiff wire brush after dismantling the con-
nector assembly. To clean the chimney, use a specially
designed brush sized to fit your particular flue opening, or
call an established chimney cleaning service.
At the end
of
the heating season, perform a thor-
ough examination
of
your chimney system, and have
it
repaired
if
necessary.
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